Windows CardSpace

Description:

Securely enables the creation, management, and disclosure of digital identities.

Windows CardSpace is a Microsoft .NET Framework version 3.0 (formerly WinFX) component that provides the consistent user experience required by the identity metasystem. It is specifically hardened against tampering and spoofing to protect the end user's digital identities and maintain end-user control. More Info MSDN - Windows CardSpace (Aka. InfoCard)